MPG is not supported properly so far. What you need is to convert MPG/MPEG to Samsung TV compatible MP4 format to settle a matter of the initial question. Steps: tv-assistant.jimdo.com/2016/11/23/watch-mpg-on-samsung-tv/

An easy solution for this MPEG to Samsung TV, MPG to Samsung TV, MPEG-1 to Samsung TV, MPEG-2 to Samsung TV issues without considering the extensions, video codecs, resolutions, bitrates, is to convert the unsupported video files, like MPEG/MPG/MPEG-1/MPEG-2 to 'H.264/MPEG-4 AVC Video(*.mp4)' which is approved by many users as Samsung TV more supported video format.

To ensure fast converting MPEG/MPG to Samsung TV with the best output quality, iDealshare VideoGo, as the best MPEG/MPG/MPEG-1/MPEG-2 to Samsung TV converter, is your first choice. You can also use TeaTV app to watch watch MPEG video.